RIS is the traditional way to do this... RIS is not directly supported by DriverPacks however our good friend RogueSpear created AutoImage. AutoImage will create a RIS image and integrate DriverPacks. You must have DriverPacks installed and the DriverPacks downloaded to the DriverPacks folder. See our tutorial, link in my signature. (hint most PC's support boot from network so you would not even need a disc to boot from. )
You could also use a Ghost boot CD to boot and copy an image. This could be a sysprep image, or an image that runs setup, or a completed image.
You could also use BartPE boot CD to to deploy your OS. Again multiple options here. RIS, SysPrep, Image, direct install from disc, etc...
USB:
If you're going to use a USB thumb drive then you might as well just go ahead and install from there, it will be a super fast install .
If you are going to use a USB HDD... see above
If you are going to use a USB CD ROM See section previous to "USB:"
I hope that helps...
Please also visit the "Universal imaging" section of our forum and also do a search for "RIS" and "SysPrep" and "Ghost" "network install" (perhaps combinations of those )
Welcome to DriverPacks please take a moment to look around, since we have been here over five years there is quite a wealth of knowledge to glean from. Please ask if you can't find something. ( Warning: I will make fun of you if the answer is in the FAQ section of our forum )
Have an awesome day and I hope that helped.